Finding the Fourth Proportional to 2,650.86, 3,983.46 and 1,419.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.86 : 3,983.46 = 1,419.12 : x
2. Step 2: Convert to fraction form
   2,650.86/3,983.46 = 1,419.12/x
3. Step 3: Cross multiply
   2,650.86x = 3,983.46 × 1,419.12
4. Step 4: Simplify right side
   2,650.86x = 5,653,007.76
5. Step 5: Solve for x
   x = 5,653,007.76/2,650.86
6. Step 6: Final answer
   x = 2,132.52